Operation Of Sflow; Configuring Sflow - H3C S5500-EI series Operation Manual

Operation Manual – sFlow
H3C S5500-EI Series Ethernet Switches

1.1.2 Operation of sFlow

sFlow operates as follows:
1) With sFlow enabled, a physical port encapsulates received data into packets and
sends them to the sFlow agent.
2) The sFlow agent periodically collects interface statistics on all sFlow enabled
ports.
3) When the sFlow packet buffer overflows or the one-second timer expires, the
sFlow agent sends the sFlow packets to the specified sFlow collector.

1.2 Configuring sFlow

Follow these steps to configure sFlow:
Enter system view
Configure an IP address
for the sFlow agent
Specify the IP address
and port number of the
sFlow collector
Set the sFlow interval
Enter interface view
Enable sFlow in the
inbound or outbound
direction
Specify the sFlow
sampling mode
Specify the sFlow
sampling rate
To do...
system-view
sflow agent ip ip-address
sflow collector ip
ip-address [ port
port-num ]
sflow interval
interval-time
interface interface-type
interface-number
sflow enable { both |
inbound | outbound }
sflow sampling-mode
{ determine | random }
sflow sampling-rate rate
Use the command...
1-2
Chapter 1 sFlow Configuration
Remarks
—
Required
Not configured by default.
Required
Not specified by default.
Optional
20 seconds by default.
—
Required
Not enabled by default.
Optional
random by default.
Currently, the determine
mode is not supported on
S5500-EI series Ethernet
switches.
Optional
200000 by default.